Big anchor solenoid seam style stock

The utility model relates to a big anchor solenoid seam style stock, it includes that the outer wall has a tapered tubular body of rod, the tubular body of rod have the turn -up of flanging form than the butt, set up on the tubular body of rod and move towards unanimous pipe seam with the tubular body of rod, be provided with a plurality of incision seams on the tubular body of rod of pipe seam both sides respectively, be provided with a plurality of bump on the outer wall of the tubular body of rod and turn -up respectively, also including the anchor dish of welding on tubular body of rod outer wall. Owing to set up pipe seam, incision and bump to tubular body of rod outer wall has a conicity, and tubular body of rod outer end has a turn -up, so the utility model has the characteristics of gu power is big, strut the salient that the safe coefficient is high.